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Affordable passive 3D-printed prosthesis for persons with partial hand amputation.

Raghad Alturkistani1, Kavin A2, Suresh Devasahayam2

  • 1Department of Mechanical Engineering, University College London, London, UK.

Prosthetics and Orthotics International
|February 27, 2020
PubMed
Summary
This summary is machine-generated.

This study developed an affordable, patient-specific partial hand prosthesis for developing countries, improving grasp stability and manual handling for amputees. The low-cost design enhances community participation.

Keywords:
Three-dimensional printinglow-cost prosthesispartial hand amputation

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Technology
  • Prosthetics and Orthotics

Background:

  • Partial hand amputations significantly impact quality of life in developing nations.
  • High cost and expertise required for traditional prostheses limit access.
  • Patient-specific needs and unique amputation types pose challenges for prosthetic solutions.

Purpose of the Study:

  • To design and develop a low-cost, patient-specific partial hand prosthesis.
  • To provide a viable prosthetic solution for developing countries.
  • To improve functional capabilities for individuals with partial hand loss.

Main Methods:

  • A passive, glove-like prosthesis was designed using thermoplastic polyurethane.
  • The design was tailored for transmetacarpal amputation.
  • Quantitative (load capacity) and qualitative (patient feedback) assessments were performed.

Main Results:

  • The prosthesis enhanced manual handling, particularly grasp stability.
  • The device was lightweight and independently manageable by the patient.
  • Fabrication cost was approximately 20 USD.

Conclusions:

  • Affordable, adaptable prostheses are crucial for individuals with partial hand amputations in developing countries.
  • 3D-printed solutions offer a promising avenue for low-cost, customized prosthetic devices.
  • This prosthesis improved patient's manual handling capabilities, though grasp strength and contralateral hand use were limitations.